Question

(√11 -√7) ( √11+√7) maths please say fast ​

Answer 1

Step-by-step explanation:

(a+b) (a-b) =a²+b² (using formula)

(√11)²+(√7)²

11+7

18 is the answer

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Answer 2

Answer:

(3.31_2.64) (3.31+2.64)

0.67×5.65

3.98